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Class Notes for Jeff Landry

MCMASTERCHEM 2OA3Jeff LandryFall

CHEM 2OA3 Lecture Notes - Tetramethylsilane, Chemical Shift, Natural Abundance

OC828131 Page
6 Oct 2013
35
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Trigonal Planar Molecular Geometry, 3Cr Melbourne, Carbocation

OC828133 Page
19 Mar 2013
29
Nu- + r-x r+ (carbocation, achiral, flat, high energy) + nu- r-nu. Stuff written below arrow is almost always a solvent. Since the reactant is trigonal
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Leaving Group, Nucleophile, Weak Base

OC828132 Page
19 Mar 2013
34
Nu- + r-x ----(solvent) nu-r + x- (leaving group: if x- is a weak base, the reaction is favorable, strong base x- is poor leaving group. Stronger acid
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MCMASTERCHEM 2OA3Jeff LandryFall

CHEM 2OA3 Lecture Notes - Sigma Bond, Pi Bond, Electronegativity

OC828132 Page
24 Dec 2012
42
P orbitals in sp hybridized are reserved for sigma bonds, so electron pairs would go to sp orbitals. When drawing something that has a p orbital, want
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MCMASTERCHEM 2OA3Jeff LandryFall

CHEM 2OA3 Lecture Notes - Covalent Bond, Electronegativity, Ion

OC828132 Page
24 Dec 2012
35
See syllabus and help sessions pdf files. Ionic bond one atom donates electron to other (positive = cation, negative = anion) Covalent bond two atoms s
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Conformational Isomerism, Hyperconjugation, Halogenation

OC828133 Page
19 Mar 2013
36
If there"s a specific form he"s looking for, he has to specify more details about it, or else you can draw any potential rotamer and it would be correc
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Chch-Dt, Alkoxide, Deprotonation

OC828133 Page
19 Mar 2013
53
Cyclohexane with an mgx connected to one carbon + (h)(ch3)>c=o ---a . Learn what an lda is in an e2 reaction!!!!! Practice a bunch of these retrosynthe
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Hydride, Alkyl, Epoxide

OC828133 Page
19 Mar 2013
24
The hydrogen doesn"t jump, it"s a smooth transfer (orbitals have to line up correctly) Won"t have to give a product and have to anticipate a hydride sh
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Khan Academy, Hydroxy Group, Boiling Point

OC828133 Page
19 Mar 2013
27
See the summary pdf i downloaded, watch khan academy videos for it: we"re working out practice problems. From now on, negative and positive reactions :
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MCMASTERCHEM 2OA3Jeff LandryWinter

CHEM 2OA3 Lecture Notes - Organic Synthesis, Primary Alcohol, Formaldehyde

OC828132 Page
19 Mar 2013
29
The more complex an organic compound the more specific its use. To make these complex things, we use organic synthesis: start with something simple, ma
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MCMASTERCHEM 2OA3Jeff LandryFall

07-03 - Lewis Structures, Resonance, Hybridization.docx

OC828132 Page
24 Dec 2012
32
Lewis structures: draw molecular skeleton (given, count total # of valence electrons, octet (duet) rule (most important, wins over all other rules, pro
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MCMASTERCHEM 2OA3Jeff LandryFall

CHEM 2OA3 Lecture Notes - Trigonal Planar Molecular Geometry, Acetic Acid, Conjugate Acid

OC828133 Page
24 Dec 2012
28
Degree of unsaturation: degree of how many bonds/rings there could be, if saturated, #hydrogens = 2(#carbons) + 2 #halogens + #nitrogens. Nh = 2nc + 2
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